Exchange on-Premises

Exchange on-Premises – authentication and mail relay

In the following article, I would like to review the subject Exchange on-Premise server, mail relay, authentication and an anonymous session (un-authenticated session). The main reason for writing this article is to try to clarify some of the miss concepts and the confusing terms that used regarding this subject. For example: The term mail relay…

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Exchange Online

Performing an Extended Message Trace in Office 365

The option of “Extended Message Trace” is a very interesting feature of Exchange Online but, the strange thing is that this option is almost never mentioned in any Microsoft formal article and, in addition, the current Exchange Online message trace management interface doesn’t include any Hint about how to “activate” the option of Exchange Online…

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Exchange Online

Troubleshooting mobile client (ActiveSync) access to Exchange online mailbox using ExRCA

Office 365 users report that he cannot connect to his Exchange Online mailbox by using a mobile device. This scenario can be relevant to ” new Office 365 users” or to the existing Office 365 users that manage to connect to his Exchange Online mailbox using a mobile device, but now he cannot connect. The…

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Exchange Online

Configuring Catch all Mailbox in Office 365 | Part 1#2

The request for “catch all mailbox” feature is very popular among Office 365 customer’s.The term “catch all mailbox“, define a concept of mail services, in which a dedicated mailbox is designated as a special mailbox that will “accept” all the E-mail messages that was sent to “non-existing organization recipients”. The “business need” is the avoid…

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E-mail SecurityTLS

Exchange Force TLS | Troubleshooting and verifying secure mail flow |Part 12#12

In the current article, we will review three subjects that relate to mailing flow scenario that based on TLS communication. Verify mail server TLS configuration In a scenario in which we create all the required TLS configurations, but for some reason, the mail communication failed. We need to be able to understand what is the…

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